Efficient processing of window queries in the pyramid data structure
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Use of the SAND spatial browser for digital government applications
Communications of the ACM
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World Wide Web
Disambiguating toponyms in news
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Adapting a map query interface for a gesturing touch screen interface
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Multifaceted toponym recognition for streaming news
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Adaptive context features for toponym resolution in streaming news
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SAC: semantic adaptive caching for spatial mobile applications
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The database architecture and system design of NewsStand, a database system that analyzes and displays streaming news using a map user interface, is described. Special emphasis is given to NewsStand's pipe server, which coordinates individual, independent analysis modules in a processing pipeline, and NewsStand's relational database schema, designed to accommodate responsive spatial querying and retrieval via NewsStand's user interface. Examples of these spatial queries, which are variants of top-k window queries, are also presented. Experiments on the live NewsStand database system demonstrate its capability for rapidly processing large amounts of streaming news as well as the interactivity of its map user interface as measured by database querying.